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authorSujith Manoharan <c_manoha@qca.qualcomm.com>2012-02-22 08:10:49 +0100
committerJohn W. Linville <linville@tuxdriver.com>2012-02-27 20:06:35 +0100
commitd68475de9637a476ad8e5870060ccc69a80f2299 (patch)
tree40ba3e45ff194ca87bbd9c768a10e04ddbfd6057
parentath9k: Use CONFIG_ATH9K_BTCOEX_SUPPORT (diff)
downloadlinux-d68475de9637a476ad8e5870060ccc69a80f2299.tar.xz
linux-d68475de9637a476ad8e5870060ccc69a80f2299.zip
ath9k: Initialize BTCOEX scheme using a helper
Setting up the required scheme can be done as part of the BTCOEX initialization path and it doesn't belong in ath9k_hw_fill_cap_info() anyway. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
-rw-r--r--drivers/net/wireless/ath/ath9k/btcoex.c34
-rw-r--r--drivers/net/wireless/ath/ath9k/btcoex.h1
-rw-r--r--drivers/net/wireless/ath/ath9k/gpio.c2
-rw-r--r--drivers/net/wireless/ath/ath9k/hw.c25
4 files changed, 37 insertions, 25 deletions
diff --git a/drivers/net/wireless/ath/ath9k/btcoex.c b/drivers/net/wireless/ath/ath9k/btcoex.c
index 6566952b08cc..536595952cd2 100644
--- a/drivers/net/wireless/ath/ath9k/btcoex.c
+++ b/drivers/net/wireless/ath/ath9k/btcoex.c
@@ -98,6 +98,40 @@ void ath9k_hw_init_btcoex_hw(struct ath_hw *ah, int qnum)
}
EXPORT_SYMBOL(ath9k_hw_init_btcoex_hw);
+void ath9k_hw_btcoex_init_scheme(struct ath_hw *ah)
+{
+ struct ath_common *common = ath9k_hw_common(ah);
+ struct ath_btcoex_hw *btcoex_hw = &ah->btcoex_hw;
+
+ /*
+ * Check if BTCOEX is globally disabled.
+ */
+ if (!common->btcoex_enabled) {
+ btcoex_hw->scheme = ATH_BTCOEX_CFG_NONE;
+ return;
+ }
+
+ if (AR_SREV_9462(ah)) {
+ btcoex_hw->scheme = ATH_BTCOEX_CFG_MCI;
+ } else if (AR_SREV_9300_20_OR_LATER(ah)) {
+ btcoex_hw->scheme = ATH_BTCOEX_CFG_3WIRE;
+ btcoex_hw->btactive_gpio = ATH_BTACTIVE_GPIO_9300;
+ btcoex_hw->wlanactive_gpio = ATH_WLANACTIVE_GPIO_9300;
+ btcoex_hw->btpriority_gpio = ATH_BTPRIORITY_GPIO_9300;
+ } else if (AR_SREV_9280_20_OR_LATER(ah)) {
+ btcoex_hw->btactive_gpio = ATH_BTACTIVE_GPIO_9280;
+ btcoex_hw->wlanactive_gpio = ATH_WLANACTIVE_GPIO_9280;
+
+ if (AR_SREV_9285(ah)) {
+ btcoex_hw->scheme = ATH_BTCOEX_CFG_3WIRE;
+ btcoex_hw->btpriority_gpio = ATH_BTPRIORITY_GPIO_9285;
+ } else {
+ btcoex_hw->scheme = ATH_BTCOEX_CFG_2WIRE;
+ }
+ }
+}
+EXPORT_SYMBOL(ath9k_hw_btcoex_init_scheme);
+
void ath9k_hw_btcoex_init_2wire(struct ath_hw *ah)
{
struct ath_btcoex_hw *btcoex_hw = &ah->btcoex_hw;
diff --git a/drivers/net/wireless/ath/ath9k/btcoex.h b/drivers/net/wireless/ath/ath9k/btcoex.h
index 0cb15cd85e92..10627b46ec34 100644
--- a/drivers/net/wireless/ath/ath9k/btcoex.h
+++ b/drivers/net/wireless/ath/ath9k/btcoex.h
@@ -97,6 +97,7 @@ struct ath_btcoex_hw {
u32 wlan_weight[AR9300_NUM_WLAN_WEIGHTS];
};
+void ath9k_hw_btcoex_init_scheme(struct ath_hw *ah);
void ath9k_hw_btcoex_init_2wire(struct ath_hw *ah);
void ath9k_hw_btcoex_init_3wire(struct ath_hw *ah);
void ath9k_hw_btcoex_init_mci(struct ath_hw *ah);
diff --git a/drivers/net/wireless/ath/ath9k/gpio.c b/drivers/net/wireless/ath/ath9k/gpio.c
index 77b3eb7b7a33..4da486bccfa4 100644
--- a/drivers/net/wireless/ath/ath9k/gpio.c
+++ b/drivers/net/wireless/ath/ath9k/gpio.c
@@ -391,6 +391,8 @@ int ath9k_init_btcoex(struct ath_softc *sc)
struct ath_hw *ah = sc->sc_ah;
int r;
+ ath9k_hw_btcoex_init_scheme(ah);
+
switch (ath9k_hw_get_btcoex_scheme(sc->sc_ah)) {
case ATH_BTCOEX_CFG_NONE:
break;
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index cb46d41f2288..f4b121f33132 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -2303,7 +2303,6 @@ int ath9k_hw_fill_cap_info(struct ath_hw *ah)
struct ath9k_hw_capabilities *pCap = &ah->caps;
struct ath_regulatory *regulatory = ath9k_hw_regulatory(ah);
struct ath_common *common = ath9k_hw_common(ah);
- struct ath_btcoex_hw *btcoex_hw = &ah->btcoex_hw;
unsigned int chip_chainmask;
u16 eeval;
@@ -2422,30 +2421,6 @@ int ath9k_hw_fill_cap_info(struct ath_hw *ah)
else
pCap->hw_caps |= ATH9K_HW_CAP_4KB_SPLITTRANS;
- if (common->btcoex_enabled) {
- if (AR_SREV_9462(ah))
- btcoex_hw->scheme = ATH_BTCOEX_CFG_MCI;
- else if (AR_SREV_9300_20_OR_LATER(ah)) {
- btcoex_hw->scheme = ATH_BTCOEX_CFG_3WIRE;
- btcoex_hw->btactive_gpio = ATH_BTACTIVE_GPIO_9300;
- btcoex_hw->wlanactive_gpio = ATH_WLANACTIVE_GPIO_9300;
- btcoex_hw->btpriority_gpio = ATH_BTPRIORITY_GPIO_9300;
- } else if (AR_SREV_9280_20_OR_LATER(ah)) {
- btcoex_hw->btactive_gpio = ATH_BTACTIVE_GPIO_9280;
- btcoex_hw->wlanactive_gpio = ATH_WLANACTIVE_GPIO_9280;
-
- if (AR_SREV_9285(ah)) {
- btcoex_hw->scheme = ATH_BTCOEX_CFG_3WIRE;
- btcoex_hw->btpriority_gpio =
- ATH_BTPRIORITY_GPIO_9285;
- } else {
- btcoex_hw->scheme = ATH_BTCOEX_CFG_2WIRE;
- }
- }
- } else {
- btcoex_hw->scheme = ATH_BTCOEX_CFG_NONE;
- }
-
if (AR_SREV_9300_20_OR_LATER(ah)) {
pCap->hw_caps |= ATH9K_HW_CAP_EDMA | ATH9K_HW_CAP_FASTCLOCK;
if (!AR_SREV_9330(ah) && !AR_SREV_9485(ah))